{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:7YKZXEAWCJ6XSYLPNOAAH5W2Z4","short_pith_number":"pith:7YKZXEAW","canonical_record":{"source":{"id":"1803.02343","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-03-06T18:56:51Z","cross_cats_sorted":["math.DG"],"title_canon_sha256":"db1568a53da348ce1beb37e2af46a481298be58d03a89acff35fcfd33b7eabe7","abstract_canon_sha256":"4016a656f0ed782cf076b9d08eeddf06da1777f7d3a3a290e249a4ecafa2e809"},"schema_version":"1.0"},"canonical_sha256":"fe159b9016127d79616f6b8003f6dacf3ded21b2d2421fa570d06e35a9b81127","source":{"kind":"arxiv","id":"1803.02343","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.02343","created_at":"2026-05-18T00:03:06Z"},{"alias_kind":"arxiv_version","alias_value":"1803.02343v2","created_at":"2026-05-18T00:03:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.02343","created_at":"2026-05-18T00:03:06Z"},{"alias_kind":"pith_short_12","alias_value":"7YKZXEAWCJ6X","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"7YKZXEAWCJ6XSYLP","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"7YKZXEAW","created_at":"2026-05-18T12:32:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:7YKZXEAWCJ6XSYLPNOAAH5W2Z4","target":"record","payload":{"canonical_record":{"source":{"id":"1803.02343","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-03-06T18:56:51Z","cross_cats_sorted":["math.DG"],"title_canon_sha256":"db1568a53da348ce1beb37e2af46a481298be58d03a89acff35fcfd33b7eabe7","abstract_canon_sha256":"4016a656f0ed782cf076b9d08eeddf06da1777f7d3a3a290e249a4ecafa2e809"},"schema_version":"1.0"},"canonical_sha256":"fe159b9016127d79616f6b8003f6dacf3ded21b2d2421fa570d06e35a9b81127","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:06.595503Z","signature_b64":"QSGxgKAyd0bL+We7D+s6yARu7fnmqUrW8NxRvW4G922329WL+ao+Hv7rENMd1XLTzYMrPm3HhKWRd+8rZ1V1Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe159b9016127d79616f6b8003f6dacf3ded21b2d2421fa570d06e35a9b81127","last_reissued_at":"2026-05-18T00:03:06.595022Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:06.595022Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.02343","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:03:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gzWJ+omkZ3JUKcyHDLrmly7sqGClEN6CIa8GffyRhBPNP0rGHTibGV3CZtnmcaVq0Wp7AtFbvqktWCwqw/9UBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:29:37.757707Z"},"content_sha256":"f7aaeebac5c4cd53d122453f0b0a1f7048f4b7e90f1f5fff9a95dfee6448f078","schema_version":"1.0","event_id":"sha256:f7aaeebac5c4cd53d122453f0b0a1f7048f4b7e90f1f5fff9a95dfee6448f078"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:7YKZXEAWCJ6XSYLPNOAAH5W2Z4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Infinitely Many M2-instanton Corrections to M-theory on $G_2$-manifolds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.DG"],"primary_cat":"hep-th","authors_text":"Andreas P. Braun, David R. Morrison, James Halverson, Magdalena Larfors, Michele Del Zotto, Sakura Schafer-Nameki","submitted_at":"2018-03-06T18:56:51Z","abstract_excerpt":"We consider the non-perturbative superpotential for a class of four-dimensional $\\mathcal N=1$ vacua obtained from M-theory on seven-manifolds with holonomy $G_2$. The class of $G_2$-holonomy manifolds we consider are so-called twisted connected sum (TCS) constructions, which have the topology of a K3-fibration over $S^3$. We show that the non-perturbative superpotential of M-theory on a class of TCS geometries receives infinitely many inequivalent M2-instanton contributions from infinitely many three-spheres, which we conjecture are supersymmetric (and thus associative) cycles. The rationale "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.02343","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:03:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AVPjqKtSjGvzDahqtCXu0cTAX0UJ/Vj2A8EWNcs9YdEnXmoPSk80nfB4P5iIkA6k0YGob82gG4GQQOjpFTdDDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:29:37.758396Z"},"content_sha256":"659f9ed5dd10f4a120dcc5dacf3435564219912b87504b207e031e2bb138e615","schema_version":"1.0","event_id":"sha256:659f9ed5dd10f4a120dcc5dacf3435564219912b87504b207e031e2bb138e615"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7YKZXEAWCJ6XSYLPNOAAH5W2Z4/bundle.json","state_url":"https://pith.science/pith/7YKZXEAWCJ6XSYLPNOAAH5W2Z4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7YKZXEAWCJ6XSYLPNOAAH5W2Z4/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-28T20:29:37Z","links":{"resolver":"https://pith.science/pith/7YKZXEAWCJ6XSYLPNOAAH5W2Z4","bundle":"https://pith.science/pith/7YKZXEAWCJ6XSYLPNOAAH5W2Z4/bundle.json","state":"https://pith.science/pith/7YKZXEAWCJ6XSYLPNOAAH5W2Z4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7YKZXEAWCJ6XSYLPNOAAH5W2Z4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:7YKZXEAWCJ6XSYLPNOAAH5W2Z4","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"4016a656f0ed782cf076b9d08eeddf06da1777f7d3a3a290e249a4ecafa2e809","cross_cats_sorted":["math.DG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-03-06T18:56:51Z","title_canon_sha256":"db1568a53da348ce1beb37e2af46a481298be58d03a89acff35fcfd33b7eabe7"},"schema_version":"1.0","source":{"id":"1803.02343","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.02343","created_at":"2026-05-18T00:03:06Z"},{"alias_kind":"arxiv_version","alias_value":"1803.02343v2","created_at":"2026-05-18T00:03:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.02343","created_at":"2026-05-18T00:03:06Z"},{"alias_kind":"pith_short_12","alias_value":"7YKZXEAWCJ6X","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"7YKZXEAWCJ6XSYLP","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"7YKZXEAW","created_at":"2026-05-18T12:32:13Z"}],"graph_snapshots":[{"event_id":"sha256:659f9ed5dd10f4a120dcc5dacf3435564219912b87504b207e031e2bb138e615","target":"graph","created_at":"2026-05-18T00:03:06Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We consider the non-perturbative superpotential for a class of four-dimensional $\\mathcal N=1$ vacua obtained from M-theory on seven-manifolds with holonomy $G_2$. The class of $G_2$-holonomy manifolds we consider are so-called twisted connected sum (TCS) constructions, which have the topology of a K3-fibration over $S^3$. We show that the non-perturbative superpotential of M-theory on a class of TCS geometries receives infinitely many inequivalent M2-instanton contributions from infinitely many three-spheres, which we conjecture are supersymmetric (and thus associative) cycles. The rationale ","authors_text":"Andreas P. Braun, David R. Morrison, James Halverson, Magdalena Larfors, Michele Del Zotto, Sakura Schafer-Nameki","cross_cats":["math.DG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-03-06T18:56:51Z","title":"Infinitely Many M2-instanton Corrections to M-theory on $G_2$-manifolds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.02343","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:f7aaeebac5c4cd53d122453f0b0a1f7048f4b7e90f1f5fff9a95dfee6448f078","target":"record","created_at":"2026-05-18T00:03:06Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"4016a656f0ed782cf076b9d08eeddf06da1777f7d3a3a290e249a4ecafa2e809","cross_cats_sorted":["math.DG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-03-06T18:56:51Z","title_canon_sha256":"db1568a53da348ce1beb37e2af46a481298be58d03a89acff35fcfd33b7eabe7"},"schema_version":"1.0","source":{"id":"1803.02343","kind":"arxiv","version":2}},"canonical_sha256":"fe159b9016127d79616f6b8003f6dacf3ded21b2d2421fa570d06e35a9b81127","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fe159b9016127d79616f6b8003f6dacf3ded21b2d2421fa570d06e35a9b81127","first_computed_at":"2026-05-18T00:03:06.595022Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:03:06.595022Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QSGxgKAyd0bL+We7D+s6yARu7fnmqUrW8NxRvW4G922329WL+ao+Hv7rENMd1XLTzYMrPm3HhKWRd+8rZ1V1Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:03:06.595503Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.02343","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f7aaeebac5c4cd53d122453f0b0a1f7048f4b7e90f1f5fff9a95dfee6448f078","sha256:659f9ed5dd10f4a120dcc5dacf3435564219912b87504b207e031e2bb138e615"],"state_sha256":"16e6091afd2ad83fa09a88ecb94713ef644d8e0bc82e28ea40793104ef2eff1a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xr7q2W6BSqu9jSJqSb2nPI8RUPSGEPBZeKLAtQH0USKKCglD1a04nqsAoOd4hOVB/BCM2ufiPe0BhXi5bGtoCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T20:29:37.761848Z","bundle_sha256":"db30a5f292587652bd81760112d5f8f6d9b50a23c68ff839f2b72773b31122d5"}}